Hello, my problem is this. I have a flat screen TV, which was given to me because it does not work, the detail is that no input is useful, if you turn on and can display the menu, but it does not detect the antenna, nor the video inputs (red, yellow, white) and neither does the HDMI input, do any of you know what the main card thing can be? Thanks and regards from Mexico

because you do not place the brand and model so they can help you "WE ARE NON-DIVIDING TECHNIQUES"

Friend follow the recommendation of the colleague caleuro, if it does not solve you must replace the main. Greetings and luck